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author | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:33 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:33 +0100 |
commit | 44c76a960a62fcc46cbcaa0a22a34e666a729329 (patch) | |
tree | d3887c858f6adffb6714da3cdc0059f93588344c /sound/core/pcm_native.c | |
parent | dbf117cbb9c89991727d42e3161e68b868a1b6ae (diff) | |
parent | c6b76d1f02e2ab1109d8549877a3a24c6a2b4587 (diff) | |
download | linux-44c76a960a62fcc46cbcaa0a22a34e666a729329.tar.bz2 |
Merge branch 'topic/misc' into for-linus
Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r-- | sound/core/pcm_native.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 25ed9fe41b89..3fe99e644eb8 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1586,12 +1586,18 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) struct file *file; struct snd_pcm_file *pcm_file; struct snd_pcm_substream *substream1; + struct snd_pcm_group *group; file = snd_pcm_file_fd(fd); if (!file) return -EBADFD; pcm_file = file->private_data; substream1 = pcm_file->substream; + group = kmalloc(sizeof(*group), GFP_KERNEL); + if (!group) { + res = -ENOMEM; + goto _nolock; + } down_write(&snd_pcm_link_rwsem); write_lock_irq(&snd_pcm_link_rwlock); if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN || @@ -1604,11 +1610,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) goto _end; } if (!snd_pcm_stream_linked(substream)) { - substream->group = kmalloc(sizeof(struct snd_pcm_group), GFP_ATOMIC); - if (substream->group == NULL) { - res = -ENOMEM; - goto _end; - } + substream->group = group; spin_lock_init(&substream->group->lock); INIT_LIST_HEAD(&substream->group->substreams); list_add_tail(&substream->link_list, &substream->group->substreams); @@ -1620,7 +1622,10 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) _end: write_unlock_irq(&snd_pcm_link_rwlock); up_write(&snd_pcm_link_rwsem); + _nolock: fput(file); + if (res < 0) + kfree(group); return res; } |